Your ulnar nerve is composed of both sensory and motor nerve fibers.

神经由感觉神经和运动神经纤维组成。

It also decreases motor nerve stimulation to the external sphincter allowing it to relax as well.

其同时减少运动神经元对外括约肌的刺激，使其舒张。

When motor nerves supplying the muscles are affected, there's initially muscle weakness and an absence of reflexes.

当支配肌肉的运动神经受损，患者会感到肌无力以及反射消失。

The face is also made up of layers of blood vessels, sensory and motor nerves, cartilage, bone, and fat.

面部也由血管、感觉和运动神经、软骨、骨骼以及脂肪组成。

You'll need to know what each one is called, whether it's a sensory nerve, a motor nerve, or both.

你需要知道每一个都叫什么，是感觉神经，运动神经，还是两者兼有。

According to Johns Hopkins Medicine, the condition “may run in families” and “can originate in the motor nerves of the brain.”

根据约翰霍普金中心的说法，这种情况“可能在家族中遗传”，并且“可能起源于大脑的运动神经。”

Diagnosis of cauda equina syndrome is usually based on the pattern of sensory and motor nerve findings and confirmed by an MRI or CT scan.

马尾神经综合征的诊断通常基于感觉和运动神经的受损情况，并可通过MRI或CT确诊。

Other experiments allowed him to distinguish sensory from motor nerves, establish that urine was made in the kidneys, and deduce that respiration was controlled by muscles and nerves.

还有些实验让他能区分感觉以及运动神经，确定尿液是由肾脏产生，並推断出呼吸是由肌肉和神经控制的。